The addition of ricotta cheese gives these citrusy pancakes a little more heft. After you cook each batch of pancakes, transfer them to a heatproof platter and keep them warm for up to 20 minutes in a preheated 200°F oven.
Cooks' Note
RASPBERRY RICOTTA PANCAKES VARIATION: Add 1 cup of raspberries to the batter, stir gently, and form pancakes, using about 1/4 cup batter per pancake.
RASPBERRY LEMON RICOTTA PANCAKES VARIATION: Add 1 cup of raspberries to the batter, and substitute freshly grated lemon zest for the grated orange zest.